@article{pope1980application,
  title={The application of fractional flow theory to enhanced oil recovery},
  author={Pope, Gary A and others},
  journal={Society of Petroleum Engineers Journal},
  volume={20},
  number={03},
  pages={191--205},
  year={1980},
  publisher={Society of Petroleum Engineers}
}

@book{lake2014fundamentals,
  title={Fundamentals of enhanced oil recovery},
  author={Lake, Larry W and Johns, Russell T and Rossen, William R and Pope, Gary A},
  year={2014},
  publisher={Society of Petroleum Engineers Richardson, TX}
}

@article{welge1952simplified,
  title={A simplified method for computing oil recovery by gas or water drive},
  author={Welge, Henry J and others},
  journal={Journal of Petroleum Technology},
  volume={4},
  number={04},
  pages={91--98},
  year={1952},
  publisher={Society of Petroleum Engineers}
}

@inproceedings{helfferich1982generalized,
  title={Generalized Welge construction for two-phase flow in porous media in system with limited miscibility},
  author={Helfferich, FG and others},
  booktitle={SPE Annual Technical Conference and Exhibition},
  year={1982},
  organization={Society of Petroleum Engineers}
}

@article{helfferich1981theory,
  title={Theory of multicomponent, multiphase displacement in porous media},
  author={Helfferich, Friedrich G and others},
  journal={Society of Petroleum Engineers Journal},
  volume={21},
  number={01},
  pages={51--62},
  year={1981},
  publisher={Society of Petroleum Engineers}
}



